Testing the independence number of hypergraphs

Michael Langberg

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

A k-uniform hypergraph G of size n is said to be ε-far from having an independent set of size pn if one must remove at least εnk edges of G in order for the remaining hypergraph to have an independent set of size pn. In this work, we present a natural property testing algorithm that distinguishes between hypergraphs which have an independent set of size ≥ pn and hypergraphs which are ε-far from having an independent set of size pn. Our algorithm is natural in the sense that we sample ≃ c(k) ρ2k3random vertices of G, and according to the independence number of the hypergraph induced by this sample, we distinguish between the two cases above. Here c(k) depends on k alone (e.g. the sample size is independent of n). To the best of our knowledge, property testing of the independence number of hypergraphs has not been addressed in the past.

Original languageEnglish
Title of host publicationLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
EditorsKlaus Jansen, Sanjeev Khanna, Jose D. P. Rolim, Dana Ron
PublisherSpringer Verlag
Pages405-416
Number of pages12
ISBN (Print)3540228942, 9783540228943
DOIs
StatePublished - 2004
Externally publishedYes

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume3122
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

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